Home / 5,239.97-7,856.98-1,729.02

Finding the Fourth Proportional to 5,239.97, 7,856.98 and 1,729.02

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Solution

The fourth proportional to 5,239.97, 7,856.98 and 1,729.02 is: 2,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.97 : 7,856.98 = 1,729.02 : x
  2. Step 2: Convert to fraction form
    5,239.97/7,856.98 = 1,729.02/x
  3. Step 3: Cross multiply
    5,239.97x = 7,856.98 × 1,729.02
  4. Step 4: Simplify right side
    5,239.97x = 13,584,875.56
  5. Step 5: Solve for x
    x = 13,584,875.56/5,239.97
  6. Step 6: Final answer
    x = 2,592.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.